subcutaneous Flashcards
(28 cards)
sporotrichosis
garderner’s disease
in conjunction with plants
nodules rupture and form chains of draining ulcers
sporothrix schenkii
sporothrix diagnosis
conversion of mold to yeast- various shapes, cigar bodies, small, oval, single or mutiple
mold- two types of conidio
clusted at apices, on short dentricles (sleeve form)
Chromoblastomycosis
chronic localezied infection of skin and subcutaneous tissue “cauliflower like”
chromobloastomycosis diagnosis
sclerotic bodies “copper pennies” DIAGNOSTIC
Chromoblastomycosis agents
dematiaceous fungi black w/ a black reverse phialophora verrucosa cladophialophora carrionii fonsecaea pedrosoi fonsecaea compacta rhinocladiella aquaspersa
types of conidiation in chromobloastomycosis
fonsecaea type- symopial arrangement
caldosporium- long chain of elliptical condia
rhinocladiella- single cell all sides
philophora- produce endogenous, occurs in clusters
phaeohyphomycosis
mycotic infection in lower animals and humans
caused by 40 dematiacious fungi
development of dematiaceous septate hyphae in tissue
organisms are ubiquitous in nature
phaeohyphomycosis
exophiala jeanselmei phaeoannelomyces werneckii wangiella dermatitidis alternaria aureobasidium cladophialophora batiana curvaliaria dreschlera scedosporium
eumycotic mycetoma
eumycotic- true fungus
mycetoma- granulomatous infection of cutaneous tissue acquired by traumatic inoculation
mainly on hands and feet
VERY RARE
eumycotic mycetoma etiologic agents
saprophytes in soil and vegetative matter five species pseudallescheria boydii acremonium madurella exophiala jeanselmei curvalaria
aspergillosis categories of disease
allergic, colonizing, systemic
aspergillosis general descrption
rapid grower, surface white– green, yellow, orange, brown ,black
set up slide culture on czapek
aspergillosis id
color, shape of conidial head
philads in aspergillus
sterigmata
serration- seris of cell layers
uniseriate or biserate
aspergillus specialized structures
cleistothecium, hulle cells, sclerotia
aspergillus serology
immunodiffusion
zygomycosis
broad hyphae with nonparallel walls
almost nonseptate hyphae
asexual reproduction in sac-like structure
ONLY IN IMMUNOCOMPROMISED
zygomycosis forms
rhinocerebral, pulmonary, gastrointestinal, cutaneous, systemic
hyalohyphomycosis
caused by fungi that produce hyaline, septate hyphae in tissue
penicillium
considered a contaminant
keratitis, external ear, respiratory, and uti
metulae bear philaids
only pathogen in penicillium
penicillium marneffei
red diffusible pigment
fusarium
considered a contaminant
mycotic eyes infections and colonizing burn wounds
paecilomyces
rarely documented pathogen
keratitis
scopulariopsis
rare pathogen, nail infections